TY  - BOOK
AU  - Schroeder, Edward D
AU  - xx, 686 p.
AU  - Title
TI  - Regional and urban GIS: a decision support approach
SN  - 0070556431
PY  - 1977///
CY  - USA
PB  - McGraw-Hill
KW  - Sewage-purification
KW  - Water-purification
N1  - Includes bibliographical references and index
ER  -